b12 injections vs oral vs. Intramuscular Vitamin in Vitamin B12 Deficiency • The Blood Project Vitamin B12 Injections vs. Oral

When starting Vitamin B12 therapy, its not unusual for individuals to grapple with questions like, Feeling worse after my B12 injection, is that natural? This period, often termed as a healing crisis, can manifest through symptoms such as: Enhanced feelings of fatigue, tiredness, and increased sleep requirements Sensations akin to mild flu-like symptoms or body aches Experiences of headaches, nausea, or feelings of being lightheaded A foggy mind and challenges with concentration Mood fluctuations including irritability, anxiety, or a subdued mood Alterations in appetite and digestive patterns Contrary to being seen as an adverse reaction, these symptoms are essentially indicative of the body acknowledging and adapting to the surge of B12

[16] National Library of Medicine

This may represent a normal part of follicle cycling acceleration rather than a true adverse effect

How Vitamin B12 Injections Work Getting started with Vitamin B12 injections is simple